Mix 3 eggs, smoked sea salt, pepper, a t-spoon of sweet mustard and a handful of Gruyere cheese. Add a tablespoon or so, depending on strength, of stock into the mix. Slow cook scrambled eggs., using fresh butter.Chop and cook asparagus properly. Cut spring onion and mangoes into finger length pieces. Assemble the roll as shown in the video and cut into suitable maki pieces. Serve with fresh cilantro on top and have a great day.